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GetInstrument (string symbol, string route, DateTime expirationDate)

method
Gets an Instrument that represents the access to instrument objects specifiedby by instrument symbol, route and expiration date.

Syntax

public Instrument GetInstrument (string symbol,string route,DateTime expirationDate)

Parameters

symbol — string
instrument symbol.
route — string
instrument route.
expirationDate — DateTime
time and the day that a particular delivery month of a derivative contract stops trading, as well as the final settlement price for that contract.

Return

Instrument an object that represents Instrument.

Example


 В следующем примере кода показано как можно использовать использовать функцию GetInstrument().
 
 using System;
 using System.Collections;
 using System.Collections.Generic;
 using System.Text;
 using System.Drawing;
 using PTLRuntime.NETScript;

 namespace InstrumentsCollection_
 {
     public class InstrumentsCollection_ : NETStrategy
     {
         int QuoteCounter = 0,
         TradeCounter = 0,
         Level2Counter = 0,
         MaintCount = 0;

         Instrument instr;
         Instrument[] instrArray, instrSortArray;
         string[] instrNames;

         int index = 10;

         public override void Init()
         {
             Instruments.NewTrade += OnTrade; //Создание event на новые сделки
             Instruments.NewQuote += OnQuote2; //Создание event на обновление lvl1 котировок
             Instruments.NewLevel2 += OnLevel2; //Создание event на обновление lvl2 котировок

             Instruments.InstrumentAdded += OnInstrumentAdd;//Создание event на добавление нового инструмента на сервере

             instr = Instruments.Current; //текущий инструмент
             Alert("Current instrument is: " + instr.Name);

             //Подписка на выбранный инстурмент
             Instruments.Subscribe(instr, QuoteTypes.Trade); //подписка на пройденные сделки
             Instruments.Subscribe(instr, QuoteTypes.Quote);
             Instruments.Subscribe(instr, QuoteTypes.Level2);

             instrArray = Instruments.GetInstruments();
             instrSortArray = Instruments.GetSortedInstruments();
             instrNames = Instruments.GetSortedInstrumentNames();

             Print(index + " instrument name in unsorte instrument name array is " + Instruments.GetInstrument(instrNames[index]).Name);
             Print(index + " instrument name in unsorted instrument array is " + Instruments.GetInstrument(instrArray[index].Symbol, instrArray[index].Route).Name);
             Print(index + " instrument name in sorted instrument array is " + Instruments.GetInstrument(instrSortArray[index].Symbol, instrSortArray[index].Route).Name);

             foreach (Instrument i in instrArray)
             {
                 if (i.Type == InstrumentType.Future)
                 {
                     instr = Instruments.GetInstrument(i.Symbol, i.Route, i.GetDerivativeSettings().ContractMonthDate);
                     Alert(instr.Name);
                 }
             }
         }

         private void OnQuote2(Instrument instr, Quote quote)
         {
             QuoteCounter++;
         }

         private void OnLevel2(Instrument instr, Level2 level2)
         {
             Level2Counter++;
         }

         private void OnTrade(Instrument instr, Trade trade)
         {
             TradeCounter++;
         }

         private void OnInstrumentAdd(Instrument instr)
         {
             Print("Add new instrument on server");
         }

         public override void OnQuote()
         {
             MaintCount++;
             Comment("#LVL1: " + QuoteCounter + "\t#LVL2: " + Level2Counter + "\t#LVL3: " + TradeCounter + "\t#OnQuote: " + MaintCount);
         }

         public override void Complete()
         {
             Instruments.NewTrade -= OnTrade;
             Instruments.NewQuote -= OnQuote2;
             Instruments.NewLevel2 -= OnLevel2;

             Instruments.InstrumentAdded -= OnInstrumentAdd;

             //Отписка от инструмента к которому подписывались вначале.
             Instruments.Unsubscribe(instr, QuoteTypes.Trade);
             Instruments.Unsubscribe(instr, QuoteTypes.Quote);
             Instruments.Unsubscribe(instr, QuoteTypes.Level2);
         }
     }
 }
 
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